/* Durak — styles. Dark "card table" theme, responsive, no external assets. */

:root {
  --felt-1: #0b6b3a;
  --felt-2: #084d2a;
  --ink: #f3f4f6;
  --muted: #b8c2bd;
  --card-bg: #fbfbf7;
  --card-red: #c62828;
  --card-black: #1f2933;
  --accent: #ffd24a;
  --warn: #ef6c4d;
  --shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  --radius: 12px;
  --card-w: clamp(46px, 11vw, 72px);
  --card-h: calc(var(--card-w) * 1.42);
}

* { box-sizing: border-box; }

/* Visually hidden but available to screen readers (the status live region). */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 50% 18%, var(--felt-1), var(--felt-2) 70%, #06351d 100%);
  display: flex;
  flex-direction: column;
}

.appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.appbar__title { margin: 0; font-size: 1.4rem; letter-spacing: 0.02em; }
.appbar__controls { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; justify-content: flex-end; }
.modes { display: flex; gap: 0.25rem; background: rgba(0, 0, 0, 0.25); padding: 0.2rem; border-radius: 999px; }
.btn--mode {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
}
.btn--mode.is-active { background: var(--accent); color: #2a2200; }

.rules {
  margin: 0.75rem auto;
  max-width: 640px;
  width: calc(100% - 2rem);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 0.5rem 1.25rem 1rem;
}
.rules h2 { font-size: 1.05rem; }
.rules ul { margin: 0; padding-left: 1.1rem; color: var(--muted); line-height: 1.5; }
.rules em { color: var(--accent); font-style: normal; }

.game {
  flex: 1;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0.75rem 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.zone { display: flex; flex-direction: column; gap: 0.35rem; }
.zone--table {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem;
  min-height: calc(var(--card-h) + 1.4rem);
  background: rgba(0, 0, 0, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 0.6rem;
}

.seat__name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--muted);
}
.badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-weight: 700;
}
.badge--attack { background: var(--warn); color: #2a0e06; }
.badge--defend { background: var(--accent); color: #2a2200; }

.hand { display: flex; flex-wrap: wrap; gap: 0.3rem; min-height: var(--card-h); }
.hand--opponent .card { width: calc(var(--card-w) * 0.78); height: calc(var(--card-h) * 0.78); }
.hand--player { gap: 0.4rem; }
.hand__empty { color: var(--muted); font-style: italic; align-self: center; }

/* Cards */
.card {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: 8px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  position: relative;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s ease, box-shadow 0.12s ease, outline-color 0.12s ease;
  outline: 2px solid transparent;
}
.card--red { color: var(--card-red); }
.card--black { color: var(--card-black); }
.card__corner {
  position: absolute;
  top: 4px;
  left: 5px;
  font-weight: 700;
  font-size: clamp(0.7rem, 2.6vw, 0.95rem);
  line-height: 1;
}
.card__pip { font-size: clamp(1.1rem, 4vw, 1.7rem); font-weight: 700; }

.card--back {
  background:
    repeating-linear-gradient(45deg, #2c5ca8 0 6px, #224a89 6px 12px);
  border: 2px solid #e9eef7;
}
.card--trump { transform: rotate(90deg); }
.card--defense { margin-top: calc(var(--card-h) * -0.55); margin-left: 1.1rem; }

.card--playable {
  cursor: pointer;
  outline-color: var(--accent);
}
.card--playable:hover,
.card--playable:focus-visible {
  transform: translateY(-10px);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.45);
  outline-color: #fff0b0;
}
.card--idle { opacity: 0.82; }

/* Table center / piles */
.table__side { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; }
.table__center {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  align-items: center;
  justify-content: center;
  min-height: var(--card-h);
}
.table__hint { color: var(--muted); font-style: italic; } /* AA-contrast on felt */
.slot { position: relative; }

.pile { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; }
.pile__stack { position: relative; }
.pile__empty {
  width: var(--card-w);
  height: var(--card-h);
  border: 2px dashed rgba(255, 255, 255, 0.25);
  border-radius: 8px;
}
.pile__label { font-size: 0.72rem; color: var(--muted); }

.trump {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 8px;
  padding: 0.15rem 0.5rem;
  font-weight: 700;
}
.trump--red { color: var(--card-red); }
.trump--black { color: var(--card-black); }
.trump__icon { font-size: 1.2rem; }
.trump__text { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Status + controls */
.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  background: rgba(0, 0, 0, 0.22);
  border-radius: var(--radius);
  padding: 0.5rem 0.85rem;
}
.message { font-weight: 600; }
.message--over { color: var(--accent); font-size: 1.1rem; }
.controls { display: flex; gap: 0.5rem; }

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  transition: transform 0.1s ease, filter 0.1s ease;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #2a2200; }
.btn--warn { background: var(--warn); color: #2a0e06; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Log */
.log {
  font-size: 0.78rem;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  padding: 0.4rem 0.75rem;
  max-height: 7.5rem;
  overflow-y: auto;
}
.log__line { padding: 0.08rem 0; }
.log__line:last-child { color: var(--ink); }

/* Hot-seat hand-off / privacy screen */
.handoff {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  text-align: center;
  min-height: 60vh;
  padding: 1.5rem;
}
.handoff__icon { font-size: clamp(3rem, 14vw, 5rem); }
.handoff__title { font-size: clamp(1.2rem, 5vw, 1.7rem); font-weight: 700; }
.handoff__hint { color: var(--muted); max-width: 28rem; line-height: 1.5; }
.handoff__btn { margin-top: 0.5rem; font-size: 1.05rem; padding: 0.7rem 1.6rem; }

.appfoot {
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.75rem;
  padding: 0.5rem;
}

@media (max-width: 480px) {
  .zone--table { grid-template-columns: 1fr; }
  .table__side { flex-direction: row; justify-content: center; }
  .appbar__title { font-size: 1.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  .card, .btn { transition: none; }
}